Active standard | Published: 28/05/2026

IEEE 1043-2025

IEEE Recommended Practice for Voltage-Endurance Testing of Form-Wound Bars and Coils

Available languages: English

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Detail information

Designation: IEEE 1043-2025

Publication date: 28/05/2026

Pages: 27

Country: International technical standard

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Anotation

Revision Standard - Active.
A comprehensive framework for the voltage-endurance testing of form-wound bars and coils used in large rotating machine stator windings is provided in this recommended practice. The procedures for conducting voltage endurance tests on bars/coils with nominal voltage up to 30 000 V, and operating frequencies of 50 Hz or 60 Hz, are outlined. Power supply and voltage requirements, test set-up, specimen preparation, pre-test evaluation methods, as well as temperature and voltage application and measurement methods are specified. Guidelines for failure investigations, suggested test records, and test report requirements are provided.

ISBN: 979-8-8557-2623-7, 979-8-8557-3400-3, 979-8-8557-3401-0
Number of Pages: 27
Product Code: STDAPE28261, STD28800, STDPD28800
Keywords: electrical insulation, form-wound bars, form-wound coils, IEEE 1043™, voltage endurance testing
Category: Power Dielectrics, Insulation and Safety
Draft Number: P1043/D10, Sept 2025 - APPROVED DRAFT

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